src/mesa/drivers/dri/nouveau/nouveau_context.c

   1 /**************************************************************************
   2
   3 Copyright 2006 Stephane Marchesin
   4 All Rights Reserved.
   5
   6 Permission is hereby granted, free of charge, to any person obtaining a
   7 copy of this software and associated documentation files (the "Software"),
   8 to deal in the Software without restriction, including without limitation
   9 on the rights to use, copy, modify, merge, publish, distribute, sub
  10 license, and/or sell copies of the Software, and to permit persons to whom
  11 the Software is furnished to do so, subject to the following conditions:
  12
  13 The above copyright notice and this permission notice (including the next
  14 paragraph) shall be included in all copies or substantial portions of the
  15 Software.
  16
  17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  20 ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
  21 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23 USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 **************************************************************************/
  26
  27 #include "glheader.h"
  28 #include "context.h"
  29 #include "simple_list.h"
  30 #include "imports.h"
  31 #include "matrix.h"
  32 #include "swrast/swrast.h"
  33 #include "swrast_setup/swrast_setup.h"
  34 #include "framebuffer.h"
  35
  36 #include "tnl/tnl.h"
  37 #include "tnl/t_pipeline.h"
  38 #include "tnl/t_vp_build.h"
  39
  40 #include "drivers/common/driverfuncs.h"
  41
  42 #include "nouveau_context.h"
  43 #include "nouveau_driver.h"
  44 //#include "nouveau_state.h"
  45 #include "nouveau_span.h"
  46 #include "nouveau_object.h"
  47 #include "nouveau_fifo.h"
  48 #include "nouveau_tex.h"
  49 #include "nouveau_msg.h"
  50 #include "nouveau_reg.h"
  51 #include "nouveau_lock.h"
  52 #include "nouveau_query.h"
  53 #include "nv04_swtcl.h"
  54 #include "nv10_swtcl.h"
  55
  56 #include "vblank.h"
  57 #include "utils.h"
  58 #include "texmem.h"
  59 #include "xmlpool.h" /* for symbolic values of enum-type options */
  60
  61 #ifndef NOUVEAU_DEBUG
  62 int NOUVEAU_DEBUG = 0;
  63 #endif
  64
  65 static const struct dri_debug_control debug_control[] =
  66 {
  67         { "shaders"   , DEBUG_SHADERS    },
  68         { "mem"       , DEBUG_MEM        },
  69         { "bufferobj" , DEBUG_BUFFEROBJ  },
  70         { NULL        , 0                }
  71 };
  72
  73 #define need_GL_ARB_vertex_program
  74 #define need_GL_ARB_occlusion_query
  75 #include "extension_helper.h"
  76
  77 const struct dri_extension common_extensions[] =
  78 {
  79         { NULL,    0 }
  80 };
  81
  82 const struct dri_extension nv10_extensions[] =
  83 {
  84         { NULL,    0 }
  85 };
  86
  87 const struct dri_extension nv20_extensions[] =
  88 {
  89         { NULL,    0 }
  90 };
  91
  92 const struct dri_extension nv30_extensions[] =
  93 {
  94         { "GL_ARB_fragment_program",    NULL                            },
  95         { NULL,    0 }
  96 };
  97
  98 const struct dri_extension nv40_extensions[] =
  99 {
 100    /* ARB_vp can be moved to nv20/30 once the shader backend has been
 101     * written for those cards.
 102     */
 103         { "GL_ARB_vertex_program",      GL_ARB_vertex_program_functions },
 104         { "GL_ARB_occlusion_query",     GL_ARB_occlusion_query_functions},
 105         { NULL, 0 }
 106 };
 107
 108 const struct dri_extension nv50_extensions[] =
 109 {
 110         { NULL,    0 }
 111 };
 112
 113 /* Create the device specific context.
 114  */
 115 GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
 116                 __DRIcontextPrivate *driContextPriv,
 117                 void *sharedContextPrivate )
 118 {
 119         GLcontext *ctx, *shareCtx;
 120         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 121         struct dd_function_table functions;
 122         nouveauContextPtr nmesa;
 123         nouveauScreenPtr screen;
 124
 125         /* Allocate the context */
 126         nmesa = (nouveauContextPtr) CALLOC( sizeof(*nmesa) );
 127         if ( !nmesa )
 128                 return GL_FALSE;
 129
 130         nmesa->driContext = driContextPriv;
 131         nmesa->driScreen = sPriv;
 132         nmesa->driDrawable = NULL;
 133         nmesa->hHWContext = driContextPriv->hHWContext;
 134         nmesa->driHwLock = &sPriv->pSAREA->lock;
 135         nmesa->driFd = sPriv->fd;
 136
 137         nmesa->screen = (nouveauScreenPtr)(sPriv->private);
 138         screen=nmesa->screen;
 139
 140         /* Create the hardware context */
 141         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_FB_PHYSICAL,
 142                                 &nmesa->vram_phys))
 143            return GL_FALSE;
 144         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_FB_SIZE,
 145                                 &nmesa->vram_size))
 146            return GL_FALSE;
 147         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_AGP_PHYSICAL,
 148                                 &nmesa->gart_phys))
 149            return GL_FALSE;
 150         if (!nouveauDRMGetParam(nmesa, NOUVEAU_GETPARAM_AGP_SIZE,
 151                                 &nmesa->gart_size))
 152            return GL_FALSE;
 153         if (!nouveauFifoInit(nmesa))
 154            return GL_FALSE;
 155         nouveauObjectInit(nmesa);
 156
 157
 158         /* Init default driver functions then plug in our nouveau-specific functions
 159          * (the texture functions are especially important)
 160          */
 161         _mesa_init_driver_functions( &functions );
 162         nouveauDriverInitFunctions( &functions );
 163         nouveauTexInitFunctions( &functions );
 164
 165         /* Allocate the Mesa context */
 166         if (sharedContextPrivate)
 167                 shareCtx = ((nouveauContextPtr) sharedContextPrivate)->glCtx;
 168         else
 169                 shareCtx = NULL;
 170         nmesa->glCtx = _mesa_create_context(glVisual, shareCtx,
 171                         &functions, (void *) nmesa);
 172         if (!nmesa->glCtx) {
 173                 FREE(nmesa);
 174                 return GL_FALSE;
 175         }
 176         driContextPriv->driverPrivate = nmesa;
 177         ctx = nmesa->glCtx;
 178
 179         /* Parse configuration files */
 180         driParseConfigFiles (&nmesa->optionCache, &screen->optionCache,
 181                         screen->driScreen->myNum, "nouveau");
 182
 183         nmesa->sarea = (drm_nouveau_sarea_t *)((char *)sPriv->pSAREA +
 184                         screen->sarea_priv_offset);
 185
 186         /* Enable any supported extensions */
 187         driInitExtensions(ctx, common_extensions, GL_TRUE);
 188         if (nmesa->screen->card->type >= NV_10)
 189                 driInitExtensions(ctx, nv10_extensions, GL_FALSE);
 190         if (nmesa->screen->card->type >= NV_20)
 191                 driInitExtensions(ctx, nv20_extensions, GL_FALSE);
 192         if (nmesa->screen->card->type >= NV_30)
 193                 driInitExtensions(ctx, nv30_extensions, GL_FALSE);
 194         if (nmesa->screen->card->type >= NV_40)
 195                 driInitExtensions(ctx, nv40_extensions, GL_FALSE);
 196         if (nmesa->screen->card->type >= NV_50)
 197                 driInitExtensions(ctx, nv50_extensions, GL_FALSE);
 198
 199         nmesa->current_primitive = -1;
 200
 201         nouveauShaderInitFuncs(ctx);
 202         /* Install Mesa's fixed-function texenv shader support */
 203         if (nmesa->screen->card->type >= NV_40)
 204                 ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 205
 206         /* Initialize the swrast */
 207         _swrast_CreateContext( ctx );
 208         _vbo_CreateContext( ctx );
 209         _tnl_CreateContext( ctx );
 210         _swsetup_CreateContext( ctx );
 211
 212         _math_matrix_ctr(&nmesa->viewport);
 213
 214         nouveauDDInitStateFuncs( ctx );
 215         nouveauSpanInitFunctions( ctx );
 216         nouveauDDInitState( nmesa );
 217         switch(nmesa->screen->card->type)
 218         {
 219                 case NV_03:
 220                         //nv03TriInitFunctions( ctx );
 221                         break;
 222                 case NV_04:
 223                 case NV_05:
 224                         nv04TriInitFunctions( ctx );
 225                         break;
 226                 case NV_10:
 227                 case NV_20:
 228                 case NV_30:
 229                 case NV_40:
 230                 case NV_44:
 231                 case NV_50:
 232                 default:
 233                         nv10TriInitFunctions( ctx );
 234                         break;
 235         }
 236
 237         nouveauInitBufferObjects(ctx);
 238         if (!nouveauSyncInitFuncs(ctx))
 239            return GL_FALSE;
 240         nouveauQueryInitFuncs(ctx);
 241         nmesa->hw_func.InitCard(nmesa);
 242         nouveauInitState(ctx);
 243
 244         driContextPriv->driverPrivate = (void *)nmesa;
 245
 246         NOUVEAU_DEBUG = driParseDebugString( getenv( "NOUVEAU_DEBUG" ),
 247                         debug_control );
 248
 249         if (driQueryOptionb(&nmesa->optionCache, "no_rast")) {
 250                 fprintf(stderr, "disabling 3D acceleration\n");
 251                 FALLBACK(nmesa, NOUVEAU_FALLBACK_DISABLE, 1);
 252         }
 253
 254         return GL_TRUE;
 255 }
 256
 257 /* Destroy the device specific context. */
 258 void nouveauDestroyContext( __DRIcontextPrivate *driContextPriv  )
 259 {
 260         nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 261
 262         assert(nmesa);
 263         if ( nmesa ) {
 264                 /* free the option cache */
 265                 driDestroyOptionCache (&nmesa->optionCache);
 266
 267                 FREE( nmesa );
 268         }
 269
 270 }
 271
 272
 273 /* Force the context `c' to be the current context and associate with it
 274  * buffer `b'.
 275  */
 276 GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 277                 __DRIdrawablePrivate *driDrawPriv,
 278                 __DRIdrawablePrivate *driReadPriv )
 279 {
 280         if ( driContextPriv ) {
 281                 nouveauContextPtr nmesa = (nouveauContextPtr) driContextPriv->driverPrivate;
 282                 struct gl_framebuffer *draw_fb =
 283                         (struct gl_framebuffer*)driDrawPriv->driverPrivate;
 284                 struct gl_framebuffer *read_fb =
 285                         (struct gl_framebuffer*)driReadPriv->driverPrivate;
 286
 287                 driDrawableInitVBlank(driDrawPriv, nmesa->vblank_flags, &nmesa->vblank_seq );
 288                 nmesa->driDrawable = driDrawPriv;
 289
 290                 _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 291                                          driDrawPriv->w, driDrawPriv->h);
 292                 if (draw_fb != read_fb) {
 293                         _mesa_resize_framebuffer(nmesa->glCtx, draw_fb,
 294                                                  driReadPriv->w,
 295                                                  driReadPriv->h);
 296                 }
 297                 _mesa_make_current(nmesa->glCtx, draw_fb, read_fb);
 298
 299                 nouveau_build_framebuffer(nmesa->glCtx,
 300                                           driDrawPriv->driverPrivate);
 301         } else {
 302                 _mesa_make_current( NULL, NULL, NULL );
 303         }
 304
 305         return GL_TRUE;
 306 }
 307
 308
 309 /* Force the context `c' to be unbound from its buffer.
 310  */
 311 GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv )
 312 {
 313         return GL_TRUE;
 314 }
 315
 316 static void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
 317                                  __DRIdrawablePrivate *dPriv)
 318 {
 319         struct gl_framebuffer *fb;
 320         nouveau_renderbuffer *src, *dst;
 321         drm_clip_rect_t *box;
 322         int nbox, i;
 323
 324         fb = (struct gl_framebuffer *)dPriv->driverPrivate;
 325         dst = (nouveau_renderbuffer*)
 326                 fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
 327         src = (nouveau_renderbuffer*)
 328                 fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
 329
 330 #ifdef ALLOW_MULTI_SUBCHANNEL
 331         LOCK_HARDWARE(nmesa);
 332         nbox = dPriv->numClipRects;
 333         box  = dPriv->pClipRects;
 334
 335         if (nbox) {
 336                 BEGIN_RING_SIZE(NvSubCtxSurf2D,
 337                                 NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
 338                 if (src->mesa._ActualFormat == GL_RGBA8)
 339                         OUT_RING       (6); /* X8R8G8B8 */
 340                 else
 341                         OUT_RING       (4); /* R5G6B5 */
 342                 OUT_RING       ((dst->pitch << 16) | src->pitch);
 343                 OUT_RING       (src->offset);
 344                 OUT_RING       (dst->offset);
 345         }
 346
 347         for (i=0; i<nbox; i++, box++) {
 348                 BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
 349                 OUT_RING       (((box->y1 - dPriv->y) << 16) |
 350                                 (box->x1 - dPriv->x));
 351                 OUT_RING       ((box->y1 << 16) | box->x1);
 352                 OUT_RING       (((box->y2 - box->y1) << 16) |
 353                                 (box->x2 - box->x1));
 354         }
 355         FIRE_RING();
 356
 357         UNLOCK_HARDWARE(nmesa);
 358 #endif
 359 }
 360
 361 void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv)
 362 {
 363         if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
 364                 nouveauContextPtr nmesa = dPriv->driContextPriv->driverPrivate;
 365
 366                 if (nmesa->glCtx->Visual.doubleBufferMode) {
 367                         _mesa_notifySwapBuffers(nmesa->glCtx);
 368                         nouveauDoSwapBuffers(nmesa, dPriv);
 369                 }
 370
 371         }
 372 }
 373
 374 void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 375                           int x, int y, int w, int h)
 376 {
 377 }
 378